48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
#include "il2cpp-config.h"
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#if IL2CPP_TARGET_WINDOWS_DESKTOP
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#include "os/Win32/WindowsHeaders.h"
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#include "os/Cryptography.h"
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#include <Wincrypt.h>
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namespace il2cpp
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{
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namespace os
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{
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void* Cryptography::GetCryptographyProvider()
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{
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HCRYPTPROV provider = 0;
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if (!CryptAcquireContext(&provider, NULL, NULL, PROV_INTEL_SEC, CRYPT_VERIFYCONTEXT))
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{
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if (!CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
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{
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provider = 0;
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}
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}
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return (void*)provider;
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}
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bool Cryptography::OpenCryptographyProvider()
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{
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return false;
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}
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void Cryptography::ReleaseCryptographyProvider(void* provider)
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{
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CryptReleaseContext((HCRYPTPROV)provider, 0);
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}
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bool Cryptography::FillBufferWithRandomBytes(void* provider, intptr_t length, unsigned char* data)
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{
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ULONG const size = (ULONG)(length < ULONG_MAX ? length : ULONG_MAX); // This is how mono solves the type size difference
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return CryptGenRandom((HCRYPTPROV)provider, size, data) == TRUE;
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}
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}
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}
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#endif
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